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Europa's neighbor, Ganymede, is also believed to have an ocean hidden under its thick icy shell.
歐羅巴的鄰居，蓋尼米德，也被認定在其深厚的冰表層下，藏著一片汪洋。
Original Video：
What Secrets Are Hiding on Jupiter's Moons?
Key Vocabulary
1. solar system
solar system
[ˈmɪn.i.ə.tʃɚ] (n.)
2. miniature
miniature
[ˈmɪn.i.ə.tʃɚ] (adj.)
3. astronomer
astronomer
[əˈstrɑː.nə.mɚ] (n.)
4. composition
composition
[ˌkɑːm.pəˈzɪʃ.ən] (n.)
5. property
property
[ˈprɑː.pɚ.t̬i] (n.)
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